Rumble in the jungle
Here is yet another great defense game that works so well because it starts off so simple. I seriously thought that this might have been a more standard action/adventure game at the beginning. Even on the first level, there are probably literally dozens of enemies to fight! You really give a lot of room to go around and build a defense. The fighters themselves are cute with their little arms that use weapons. For a defense game (which obviously heavily relies on fighting) it was really darn cute.